//
//  UserAccount.swift
//  WeChat
//
//  Created by 梁迪 on 15/12/14.
//  Copyright © 2015年 梁迪. All rights reserved.
//

import UIKit

class UserAccount: NSObject,NSCoding {
    
    var access_token :String?
    var expires_in: NSTimeInterval = 0{
        didSet {
            
            expires_date = NSDate(timeIntervalSinceNow: expires_in)
            
        }
        
        
    }
    
    
    var expires_date : NSDate?
    
    var uid: String?
    var name: String?
    var avatar_large: String?
    
    
    
    init(dict:[String : AnyObject]) {
        
        super.init()
        
        self.setValuesForKeysWithDictionary(dict)
        
        
    }
    
    override func setValue(value: AnyObject?, forUndefinedKey key: String) {
        
    }
    
    override var description:String{
        let keys = ["access_token","expires_in","uid","name","avatar_large","expires_date"]
        return dictionaryWithValuesForKeys(keys).description
        
        
        
        
    }
    
    // 保存自定义对象
    func saveAccout(){
        let path = (NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true).last! as NSString ).stringByAppendingPathComponent("account.plist")
        
//        print(path)
        
        NSKeyedArchiver.archiveRootObject(self, toFile: path)
        
    }
    
    
    //从磁盘中解数据
    class func loadAccount() -> UserAccount? {
        let path = (NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true).last! as NSString).stringByAppendingPathComponent("account.plist")
        
        if let account = NSKeyedUnarchiver.unarchiveObjectWithFile(path) as? UserAccount{
            
//            print(account)
            if account.expires_date?.compare(NSDate()) == NSComparisonResult.OrderedDescending{
                return account
                
            }
           
        }
        
        
        
        
        
      return nil
    }
    
    
    
    
    //解档操作
    required init?(coder aDecoder: NSCoder) {
        access_token = aDecoder.decodeObjectForKey("access_token") as? String
        expires_in = aDecoder.decodeDoubleForKey("expires_in")
        uid = aDecoder.decodeObjectForKey("uid") as? String
        avatar_large = aDecoder.decodeObjectForKey("avatar_large") as? String
        name = aDecoder.decodeObjectForKey("name") as? String
    expires_date = aDecoder.decodeObjectForKey("expires_date") as? NSDate
        
    }
    
    func encodeWithCoder(aCoder: NSCoder) {
        aCoder.encodeObject(access_token, forKey: "access_token")
        aCoder.encodeDouble(expires_in, forKey: "expires_in")
        aCoder.encodeObject(uid, forKey: "uid")
        aCoder.encodeObject(avatar_large, forKey: "avatar_large")
        aCoder.encodeObject(name, forKey: "name")
        aCoder.encodeObject(expires_date, forKey: "expires_date")
    }
    
    

}
